Files
PowerToys/src/modules/cmdpal/Microsoft.CmdPal.UI
Jiří Polášek 735ea01a93 CmdPal: Fix dock popup XamlRoot handling on DockControl (#46305)
## Summary of the Pull Request

This PR handles situations when app can crash because a popup control is
being touched before XamlRoot is set.

- Registers message handlers in DockControl only while controls are
loaded.
- Guards the edit-mode TeachingTip until the dock is rooted.
- Sets XamlRoot for dock flyouts and tooltips before showing.
- Ensures that tooltips in DockItemControl are set only after XamlRoot
is explicitly set.
- Unregisteres messages and CenterItems_CollectionChanged when unloaded.

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## PR Checklist

- [x] Closes: #46228
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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## Detailed Description of the Pull Request / Additional comments

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wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
2026-03-24 14:18:59 -04:00
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2026-02-27 13:24:23 +00:00